ISO 742:1973

Sodium carbonate for industrial use — Determination of chloride content — Mercurimetric method

The method is applicable to products of which the sodium chloride content is greater than 0,005 % (m/m). The prinziple consists in titration of the chloride ion with mercury(II) nitrate solution in the presence of diphenylcarbazone as indicator. Cancels and replaces ISO Recommendation R 742-1968.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.50

Statut:

Annulée

Date de Publication:

1973-01-31

Numéro Standard:

ISO 742:1973